Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 59, NWS Tallahassee, FL

April 10, 2021Geneva County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 10, 2021, 6:42 AM CDT for Geneva County, Alabama. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 10, 2021, 6:42 AM CDT (11:42 UTC)
Expired
Apr 10, 2021, 7:45 AM CDT
In force
63 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Geneva County, AL

The radar

The Ft Rucker radar (KEOX), 61 km from the middle of the area, began a volume at 11:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 10, 2:30 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.7 hours before the alert went out and 182 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
160 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

830 
WUUS52 KTAE 101142
SVRTAE
ALC061-101245-
/O.NEW.KTAE.SV.W.0059.210410T1142Z-210410T1245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
642 AM CDT Sat Apr 10 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Geneva County in southeastern Alabama...

* Until 745 AM CDT.

* At 642 AM CDT, a severe thunderstorm was located near Samson, or 13
  miles east of Florala, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Geneva, Hartford, Slocomb, Samson, Malvern, Coffee Springs, Black,
  Chancellor, Kellys Crossroads, Lytle, Marl, Logan Field Municipal
  A/P, Geneva Municipal A/P, Hendrix Crossroad, Light, Somerset,
  Earlytown, Hacoda, Spears and Pera.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tallahassee.

&&

LAT...LON 3119 8619 3119 8613 3118 8612 3119 8611
      3120 8599 3120 8549 3100 8549 3100 8619
TIME...MOT...LOC 1142Z 268DEG 33KT 3107 8611 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

42-DVD
3 follow-up statements
838 
WWUS52 KTAE 101202
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
702 AM CDT Sat Apr 10 2021

ALC061-101245-
/O.CON.KTAE.SV.W.0059.000000T0000Z-210410T1245Z/
Geneva AL-
702 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR GENEVA COUNTY...

At 702 AM CDT, a severe thunderstorm was located near Geneva, moving
east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Geneva, Hartford, Slocomb, Samson, Malvern, Coffee Springs, Black,
Chancellor, Kellys Crossroads, Lytle, Marl, Geneva Municipal A/P,
Hendrix Crossroad, Light, Somerset, Spears, Fadette, Eunola,
Sellersville and High Bluff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.

&&

LAT...LON 3120 8599 3120 8549 3100 8549 3100 8599
      3119 8607
TIME...MOT...LOC 1202Z 268DEG 32KT 3108 8590 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

42-DVD
468 
WWUS52 KTAE 101230
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
730 AM CDT Sat Apr 10 2021

ALC061-101245-
/O.CON.KTAE.SV.W.0059.000000T0000Z-210410T1245Z/
Geneva AL-
730 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR EASTERN GENEVA COUNTY...

At 730 AM CDT, a severe thunderstorm was located over Slocomb, or 10
miles northwest of Graceville, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Hartford, Slocomb, Malvern, Hendrix Crossroad, Fadette, Bailey
Crossroad, Light, High Bluff, Dundee and Bald Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 AM CDT for southeastern
Alabama.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.

&&

LAT...LON 3120 8549 3100 8549 3100 8569 3120 8578
TIME...MOT...LOC 1230Z 268DEG 33KT 3109 8559 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

42-DVD
943 
WWUS52 KTAE 101243
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
743 AM CDT Sat Apr 10 2021

ALC061-101253-
/O.EXP.KTAE.SV.W.0059.000000T0000Z-210410T1245Z/
Geneva AL-
743 AM CDT Sat Apr 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GENEVA COUNTY WILL
EXPIRE AT 745 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 AM CDT for southeastern
Alabama.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3120 8549 3100 8549 3100 8569 3120 8578
TIME...MOT...LOC 1243Z 268DEG 33KT 3109 8546 

$$

42-DVD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 4:45 AM CDTSevere Thunderstorm WarningTAECoffee, Geneva51 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.